linux-kernel - Re: [PATCH] perf test: Add option to change objdump binary

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Message-ID: <CAP-5=fWazX_q1W8HN7ErrRMB2bx5sz3x1V=+XqY7Hxx0jR0p9w@mail.gmail.com>
Date:   Fri, 3 Nov 2023 08:41:12 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     James Clark <james.clark@....com>
Cc:     linux-perf-users@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Yang Jihong <yangjihong1@...wei.com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
        Ravi Bangoria <ravi.bangoria@....com>,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH] perf test: Add option to change objdump binary

On Fri, Nov 3, 2023 at 4:35 AM James Clark <james.clark@....com> wrote:
>
> All of the other Perf subcommands that use objdump have an option to
> specify the binary, so add the same option to perf test.
>
> This is useful if you have built the kernel with a different toolchain
> to the system one, where the system objdump may fail to disassemble
> vmlinux.
>
> Now this can be fixed with something like this:
>
>   $ perf test --objdump llvm-objdump "object code reading"
>
> Signed-off-by: James Clark <james.clark@....com>

There is also "perf config" for things like this.

Reviewed-by: Ian Rogers <irogers@...gle.com>

Thanks,
Ian